Company lists · Data refreshed November 2026

Top 25 Nonprofit cybersecurity services based in the United States

Name: Nonprofit cybersecurity services based in the United States
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 4,331 companies tracked

RevenueBase identified 4,331 company matches for nonprofit cybersecurity services associated with the United States as of November 2026 and tracks 54,088 professional contacts across them, including 19,402 with verified work emails. New York is the largest hub.

This list covers company matches for nonprofit cybersecurity services associated with the United States, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 5, 2026 How this list was built

4,331Companies

54,088Contacts tracked

19,402Verified emails

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The 25 largest nonprofit cybersecurity services based in the United States

Ranked by team size

Top 25 of 4,331 company matches for nonprofit cybersecurity services based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Bugcrowd	Exact match	San Francisco, CA, United StatesHQ recorded Nov 5, 2026	n/a	3,342 contacts →
	Exact match “We are a crowdsourced security company that safeguards organizations' assets from sophisticated threat actors before they can strike-by uniting our customers with trusted hackers…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2	OPTIV	Exact match	Leawood, KS, United StatesHQ recorded Nov 5, 2026	1,001-5,000	2,171 contacts →
	Exact match “Optiv is the cyber advisory and solutions leader, delivering strategic and technical expertise to nearly companies across every major industry.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3	Sans Institute	Exact match	Rockville, MD, United StatesHQ recorded Nov 5, 2026	n/a	1,972 contacts →
	Exact match “SANS is the most trusted and by far the largest source for information and cybersecurity training and certification in the world.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Guidepoint Security	Exact match	Reston, VA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	1,346 contacts →
	Exact match “GuidePoint Security provides trusted cybersecurity expertise, solutions, and services that help organizations make informed decisions and minimize risk.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5	Coalfire	Exact match	Chicago, GA, United StatesHQ recorded Nov 5, 2026	1,001-5,000	977 contacts →
	Exact match “Coalfire is the premier Cybersecurity and Compliance Services leader for the tech, healthcare, and finance industries.(This page is maintained by Marketing.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6	Offsec	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	919 contacts →
	Exact match “Empowering the world to fight cyber threats with indispensable cybersecurity skills and resources.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Application Specialist Kompany ASK	Exact match	Lansing, MI, United StatesHQ recorded Nov 5, 2026	n/a	806 contacts →
	Exact match “ASK is now Convergence Networks!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Trustwave, A Levelblue Company	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 2026	501-1,000	733 contacts →
	Exact match “Trustwave, a LevelBlue Company, is a globally recognized cybersecurity leader that reduces cyber risk and fortifies organizations against disruptive and damaging cyber threats.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9	Telos Corporation	Exact match	Ashburn, VA, United StatesHQ recorded Nov 5, 2026	501-1,000	676 contacts →
	Exact match “Telos Corporation (NASDAQ: TLS) empowers and protects the world’s most security-conscious organizations with efficient, adaptable, and secure solutions that safeguard people…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Ultraviolet Cyber	Exact match	Mclean, AZ, United StatesHQ recorded Nov 5, 2026	501-1,000	623 contacts →
	Exact match “UltraViolet Cyber is the only security operations partner that unifies red, blue, and purple team capabilities into one integrated program, finding what's vulnerable, stopping…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	Palo Alto Networks Unit 42	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 5, 2026	5,001-10,000	510 contacts →
	Exact match “Palo Alto Networks Unit 42 brings together world-renowned threat researchers with an elite team of incident responders and security consultants to create an intelligence-driven…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Cyber Security Forum Initiative	Exact match	Omaha, VA, United StatesHQ recorded Nov 5, 2026	51-200	427 contacts →
	Exact match “The Cyber Security Forum Initiative (CSFI) is a non-profit organization headquartered in Omaha, NE and in Washington DC with a mission "to provide Cyber Warfare awareness…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	IBN Technologies	Exact match	Miami, FL, United StatesHQ recorded Nov 5, 2026	51-200	417 contacts →
	Exact match “Welcome to IBN Technologies, LLC, Your Trusted Partner in Cybersecurity, Cloud, and Finance Solutions With 26+ years of expertise, IBN Technologies leads in delivering integrated…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Kudelski Security	Exact match	Cheseaux, TX, United StatesHQ recorded Nov 5, 2026	201-500	392 contacts →
	Exact match “Kudelski Security is a premier cybersecurity solutions provider, working with the most security-conscious organizations in Europe and across the United States.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Intelligent Technical Solutions	Exact match	Las Vegas, NV, United StatesHQ recorded Nov 5, 2026	201-500	372 contacts →
	Exact match “Intelligent Technical Solutions (ITS) is a Managed Security Service Provider (MSSP) helping growing and mid-market organizations improve IT performance, strengthen cybersecurity…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Bishop FOX	Exact match	Tempe, AZ, United StatesHQ recorded Nov 5, 2026	201-500	357 contacts →
	Exact match “Bishop Fox is recognized as the leading authority in offensive security, providing solutions ranging from continuous penetration testing, red teaming, and attack surface…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Security Risk Advisors	Exact match	Philadelphia, PA, United StatesHQ recorded Nov 5, 2026	201-500	342 contacts →
	Exact match “We deliver cybersecurity consulting, 24x7 operations and SaaS to leading companies in the Financial Services, Healthcare, Pharmaceuticals, Technology and Retail industries.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Prescient Security	Exact match	Nashville, TN, United StatesHQ recorded Nov 5, 2026	201-500	317 contacts →
	Exact match “Prescient Security is a global cybersecurity and compliance firm delivering risk-based audits, advanced penetration testing, and end-to-end framework support.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	TCM Security	Exact match	Charlotte, NC, United StatesHQ recorded Nov 5, 2026	n/a	251 contacts →
	Exact match “A veteran-owned cybersecurity company focused on penetration testing, security training, and compliance.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Lumifi	Exact match	Scottsdale, AZ, United StatesHQ recorded Nov 5, 2026	51-200	243 contacts →
	Exact match “Lumifi Cyber helps organizations illuminate their cyber defense with continuous protection across the full security lifecycle.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Harbor IT	Exact match	New York, NY, United StatesHQ recorded Nov 5, 2026	201-500	243 contacts →
	Exact match “Harbor IT helps organizations secure, operate, and scale through integrated IT, cybersecurity, AI, and cloud services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Baxter Clewis Cybersecurity	Exact match	Cedar Hill, TX, United StatesHQ recorded Nov 5, 2026	201-500	243 contacts →
	Exact match “Baxter Clewis Cybersecurity, we bring to the table a unique set of experiences that allow us to best serve your cybersecurity needs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	Sawdey Solution Services	Exact match	Beavercreek, OH, United StatesHQ recorded Nov 5, 2026	201-500	225 contacts →
	Exact match “For over 20 years, Sawdey Solutions Services has provided both Government and commercial clients with innovative cross-disciplined professional services that aim not only to…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Loginsoft	Exact match	Chantilly, VA, United StatesHQ recorded Nov 5, 2026	201-500	222 contacts →
	Exact match “For over 20 years, leading companies in Telecom, Cybersecurity, Healthcare, Banking, New Media, and more have come to rely on Loginsoft as a trusted resource for technology talent.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Tevora	Exact match	Irvine, VA, United StatesHQ recorded Nov 5, 2026	201-500	213 contacts →
	Exact match “Founded in 2003, Tevora is a specialized management consultancy focused on cybersecurity, risk, and compliance services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “nonprofit cybersecurity services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 4,331 nonprofit cybersecurity services based in the United States

See the full list, filter by size, metro and specialty, and access 19,402 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Nonprofit cybersecurity services based in the United States at a glance

As of Nov 5, 2026

35.9%Verified-email coverage

12.5Average contacts per company

1-10Median size (employees)

3.3%Largest-city concentration · New York

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

2,740

11-50

1,169

51-200

316

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 4,331 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source: The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Company records associated with the United States whose business descriptions match “nonprofit cybersecurity services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch: Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview: The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality: RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Every displayed company carries at least one verified work email. RevenueBase tracks 19,402 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh: This page's figures were pulled from the company graph on November 5, 2026. Lists refresh periodically as the graph is re-checked.
Record context: Company records and descriptions can change. Check the company's website for its current services and locations.

Nonprofit cybersecurity services by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit cybersecurity services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many nonprofit cybersecurity services are there based in the United States?

RevenueBase identified 4,331 company matches for nonprofit cybersecurity services associated with the United States as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Bugcrowd tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most nonprofit cybersecurity services?

New York leads with 145 company records, followed by Austin (87) and Washington (87).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 19,402 professional contacts with verified work emails tracked across these 4,331 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.